Dyfyniad APA

Blanchard, O., & Johnson, D. R. (2013). MACROECONOMICS (Sixth Edition.). Pearson.

Dyfyniad Arddull Chicago

Blanchard, Olivier, and David R. Johnson. MACROECONOMICS. Sixth Edition. Boston ; Upper Saddle River: Pearson, 2013.

Dyfyniad MLA

Blanchard, Olivier, and David R. Johnson. MACROECONOMICS. Sixth Edition. Pearson, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.